﻿#region MIT Licence
/*
 * Copyright (C) 2014 PdfCreative
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
 * and associated documentation files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
 * sublicense, and/or sell copies of the Software, and to permit persons to whom 
 * the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included 
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE 
 * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#endregion

using System;
using System.Collections.Generic;
using System.Text;

namespace PdfCreative.Pdf.Writer
{
    /// <summary>
    /// The PdfPrimitive class represents a PDF value that is not a list or dictionary.
    /// </summary>
    public class PdfPrimitive : PdfValue
    {
        // Private fields
        // ==============
        #region Private fields
        private string _value;
        #endregion



        // Base class overrides
        // ====================
        #region Object overrides
        /// <summary>
        /// Retrieves the string representation of this instance.
        /// </summary>
        /// <returns>The string representation</returns>
        public override string ToString()
        {
            return _value;
        }

        /// <summary>
        /// Compares this primitive instance to the specified other instance.
        /// </summary>
        /// <param name="obj">The other instance.</param>
        /// <returns></returns>
        public override bool Equals(object obj)
        {
            return obj.ToString().Equals(_value);
        }

        /// <summary>
        /// Retrieves the hash code of this primitive.
        /// </summary>
        /// <returns></returns>
        public override int GetHashCode()
        {
            return _value.GetHashCode();
        }
        #endregion

        #region PdfValue overrides
        /// <summary>
        /// Writes the value using the specified value writer.
        /// </summary>
        /// <param name="writer">The writer to use.</param>
        internal override void Write(IPdfValueWriter writer)
        {
            writer.WriteString(_value);
        }
        #endregion



        // Public constructor
        // ==================
        #region Public constructor
        /// <summary>
        /// Constructs a new PdfPrimitive instance.
        /// </summary>
        /// <param name="value">The value.</param>
        public PdfPrimitive(string value)
        {
            _value = value;
        }
        #endregion

    } // PdfPrimitive class
}
